2D Arrays and lists
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Lesson details
Key learning points
- In this lesson, we will learn about 2D arrays and lists. We will discover new syntax for creating and using them in our programs.
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
What are the three possible outputs from this program when it is executed? [SELECT THREE]
All pixels will be switched off
Each pixel in the grid will be a random colour from a choice of red, yellow or blue
Q2.
Which of these is the correct import statement for importing the sense hat module?
from sense_hat import sensehat
from Sense_Hat import SenseHat
from Sense_HAT import SenseHAT
Q3.
If you want a block of code to repeat forever, what statement should you use?
repeat forever:
repeat Forever:
while true:
3 Questions
Q1.
What will the output be when this program is executed?
Fred
Fred, Wilma, Dino, 4, 5, 6
scores[0]
Q2.
If the user enters Bob when prompted, what will be the output?
{answer}'s score is {score}
5
Error: index out of range
Q3.
Is this a definition for a 2D array or a 2D list? A __________ must be a predefined fixed size and each item held must be of the same data type.
2D list